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package dk.thoerup.schedulesamples; |
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import java.util.Calendar; |
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import java.util.Date; |
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import javax.annotation.Resource; |
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import javax.ejb.ScheduleExpression; |
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import javax.ejb.SessionContext; |
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import javax.ejb.Stateless; |
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import javax.ejb.TimedObject; |
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import javax.ejb.Timer; |
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import javax.ejb.TimerService; |
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/* GFv3: before using a timed bean make sure the ejb timer service is correctly configured with a datasource and the timer table is created |
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* cd /inst/glassfishv3/glassfish/domains/domain1/lib/databases/ejbtimer |
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* /usr/lib/jvm/java-6-sun/db/bin/ij |
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* connect 'jdbc:derby:.'; |
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* paste content from /home/torben/inst/glassfishv3/glassfish/lib/install/databases/ejbtimer_derby.sql |
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* |
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* */ |
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@Stateless |
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public class TimedEjb implements TimedObject { |
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@Resource |
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private SessionContext sessionCtx; |
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public void startTimer() { |
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TimerService timerService = sessionCtx.getTimerService(); |
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Calendar now = Calendar.getInstance(); |
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//Timer timer = timerService.createTimer( (5 * 1000), null); //singleshot timer |
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//timerService.createTimer(10*1000, 5000, null); //repeating timer |
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// otherwise use schedule expression to create more complex schedules |
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// in this case fire once every minute when the seconds is == 10 |
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ScheduleExpression se = new ScheduleExpression().second(10).minute("*").hour("*"); |
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System.out.println(se.toString()); |
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timerService.createCalendarTimer( se ); |
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} |
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@Override |
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public void ejbTimeout(Timer timer) { |
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System.out.print("timeout ...."); |
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} |
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} |